Operating instructions for microcomputer relay protection calibrator

Operating instructions for microcomputer relay protection calibratorSoftware operation instructions

§2.0 Overview

After starting the tester, enter the following main menu:

1、 Run offlineSelect to enter the offline running main interface. For the introduction of each test menu, please refer to the following chapter.

2、 External connectionPCexperiment

External laptop, useWindowsRun the program and conduct the experiment.ESCExit this menu item.

[Precautions]:

Operating instructions for microcomputer relay protection calibrator: Correct operating steps:

1Connect the power cord and the voltage and current lines to the device under test.

2After turning on, press the power amplifier switch to preheat first5～15minute.

3Connect the serial port cable and useWindowsRun the program and conduct the experiment.

3、 System management:Select to enter the following menu

1. UDisk Copy Test Report

This menu will copy all saved test reports from the tester toUOn the plateAT_REP.

• Plug it inUDisk, then turn on the power of the tester.

• Select to enter this menu, and the program will automatically complete the copy.

• Turn off the power of the tester and unplug itUPlate.

1. useUDisk upgrade software

2. Extract the software upgrade package and copy it toUDisk, be careful not to change the directory, otherwise the operation cannot be completed normally. The correct directory should beUUnder the root directoryAT_UPD.

3. Plug it inUDisk, turn on the power of the tester.

4. Select to enter this menu, and the program will automatically complete the upgrade.

5. Turn off the power of the tester and unplug itUPlate.

6. external connectionPCupgrade software

After booting up, do not turn on the power amplifier switch, connect the serial port cable, select to enter this menu, and then useWindowsUpgrade of lower computer software in the program Menu, select the configuration file in the upgrade package of this system to start the upgrade operation.

1. Initialize menu settings

After entering the password for confirmation, reset all menu parameter settings to factory settings.

1. Delete all test reports

After entering the password for confirmation, delete all test reports.

1. Turn on or off the touch screen

Configure to turn on or off the touch screen. After closing, touch screen operation is invalid.

1. Precautions for device use

Important precautions for using the display tester.

§2.1 Any test

This menu allows for the setting of any output of six phase AC voltage and six phase AC current; The amplitude, angle, and frequency of each phase analog can be adjusted and changed arbitrarily, and can also be modified online during the experimental process; Time and action values can be measured manually or automatically; Users can design their own experimental methods to meet most on-site requirements.

The main interface is divided into five areas:

Above are the title and main menu

On the left is the parameter setting and display bar

On the upper right is the auxiliary illustration bar, which includes vector graphics and line sequence component illustrations. Select according to "Display Switching"

The lower right is the display column for test status and test results

Here is the status bar: Help prompts during parameter input, status prompts during testing, and time display

1、 Key operation and shortcut key instructions

【↑↓←→】 key: move cursor

【Enter】Key: Select the current menu or enter the corresponding settings

【Esc】Key: Exit the settings menu, exit the test, or exit this test program

【F1】Key: Enter the online help system

【F2】Key: Save current parameter settings to file

【F3】Key: Read settings from parameter file

【F4】Key: Switch between light load and heavy load, cannot switch during testing.

【F5】【Star】Key: Start Test

IILY808 intelligent microcomputer relay protection calibratorMenu and parameter description

1Parameter settings:Set the required parameters for testing

UA—IZTwelve analog quantitiesEach analog quantity includes10Parameter settings: amplitude, whether the amplitude is variable, amplitude change step size, whether to output DC, phase, whether the phase is variable, phase change step size, frequency, whether the frequency is variable, frequency step size

Testing method:The method used in the experiment

☆ Automatic mode: During the testing process, the change process of the selected variable * is controlled by the program, according toEscKey abort test

☆ Manual mode: During the testing process, the change process of the selected variable is controlled by the user

Timer *:This is effective in manual mode. When manually measuring time, when the user uses ← (or →), the variable is incremented (or decremented) by one step, and the timer is turned on. The waiting time for the action is called "timer *".To ensure the correctness of the test, the setting of timer * should be greater than the action (or return) time of the relay

Each step time:Effective in automatic mode, the time for selecting a variable each time it changes; The waiting time for measuring action time in manual mode. To ensure the correctness of the test, the setting of each step time should be greater than the action (or return) time of the relay

2Parameter file:Save parameter files or read parameter files, each function menu provides3A parameter file is available for use.

3Auxiliary diagram:Switch or display auxiliary graphics, providing four types of graphics: vector graphics, line components, sequence components, and phase line power

4Test report:View saved test reports, each function menu provides8A pre-set test report. Users need to save the test report here after the test is completed8It can only be viewed in the preset test report. Please view the custom named test report in the 'File Services' menu

5Help Topic:Enter the online help system

6. Light and heavy loadF4：Switching between light load and heavy load, unable to switch during testing process

7. ExperimentF5：Start this test

8. ExitEsc：Exit the menu of this experiment

3、 Experimental principle and testing process

☆ When conducting manual testing, the initial values of voltage, current, and frequency are first output, and then the test is controlled by the user. The following operations can be performed:

【Enter】Press the key to enter the online modification state, where all parameters in the variable settings property page can be modified,EscExit the online modification status and continue testing

[↑↓] key, increase or decrease the value of the selected variable

【←→】 key, add or subtract one step, start timing at the same time, wait for a "timer *" to wait for the relay to act and measure the action time

【Esc】Key, exit experiment

☆ When conducting automatic testing, first output the initial values of each parameter, and then gradually increase the step size to change the variable values, with the speed determined by the setting of "time per step"; If the protection action is taken, gradually decrease the step size to change the variable value until the protection returns, and the software will record its action value and return value. If the variable has been increased to a large or decreased to a small value during the period and the protection remains unchanged, the software will automatically exit the experiment.

After the test is completed, the testing device automatically enters the standard state with no voltage or current output. Users can save the test report to a disk according to the prompts.

§2.2 AC voltage/current testing

This menu allows for manual and automatic testing of the voltage and current protection functions of the protective device, as well as the voltage and current relays.

The main interface is divided into five areas:

Above are the title and main menu

The upper left is the variable setting column

The lower left is the experimental result display column

On the upper right is the auxiliary illustration bar, which includes vector graphics and line sequence component illustrations. Select according to "Display Switching"

Here is the status bar: Help prompts during parameter input, status prompts during testing, and time display

1、 Key operation and shortcut key instructions

【↑↓←→】 key: move cursor

【Enter】Key: Select the current menu or enter the corresponding settings

【Esc】Key: Exit the settings menu, exit the test, or exit this test program

【F1】Key: Enter the online help system. During the testing process, the function is reused to record action values

【F2】Key: Save current parameter settings to file

【F3】Key: Read settings from parameter file. During the testing process, the function is reused to return action values

【F4】Key: Switch between light load and heavy load, cannot switch during testing.

【F5】【Star】Key: Start Test

2、 Menu and parameter description

1. Parameter settings:

[Output Settings Property Page]：

settings6Phase voltage,6The amplitude, angle, and frequency of the phase current.

[Description]: During the testing process, the corresponding analog output of the testing phase will be automatically calculated, modified, and output by the program. And other quantities are output according to the current phase settings. For example: testing low voltage protectionANIn terms of appearance, thenAThe amplitude and angle of the phase voltage will be calculated and output by the program, while the output of other voltages and currents will be based on the settings on this page.

[Other Settings Property Page]：

Testing method:The way variables change during the testing process

☆ Automatic mode: During the testing process, the change process of the selected variable * is controlled by the program, according toEscKey abort test

☆ Manual mode: During the testing process, the change process of the selected variable is controlled by the user

Variable selection:Choose the analog quantity that changes during the testing process, which can be selected6Phase voltage,6Any quantity in the amplitude, angle, and frequency of the phase current

Initial value of variable:Set the initial value of the variable, effective in automatic mode

Variable final value:Set the final value of variable changes, effective in automatic mode

Variable step size:Set the step size for each variable change, effective in automatic mode

Return method:Effective in automatic mode, during the testing process, the variable changes from the starting point to the ending point. Once the program confirms the relay action, it determines whether to continue the test based on the change mode:

☆ Action stop: End the experiment

☆ Action return: Change the direction of variable change and return to the starting point

Each step time:In automatic mode, the time for each variable change should be set to be greater than the action (or return) time of the relay to ensure the correctness of the test

Shake time:Set the time and range for preventing contact shaking0－3In seconds. In order to prevent the shaking of the contacts from affecting the test results, it is only confirmed that the protective device or relay has been activated (or returned) when the contact action exceeds this time. Default value:200millisecond

Open contact:After the testing begins,4Enter the user set state for the opening contact, and close or open it

*Variables:Setting the selection of variables and step size in manual mode

Second variable:Setting the selection and step size of the second variable in manual mode

Third variable:Setting the selection and step size of the third variable in manual mode

2Parameter file:Save parameter files or read parameter files, each function menu provides3A parameter file is available for use.

3Auxiliary diagram:Switch or display auxiliary graphics, providing four types of graphics: vector graphics, line components, sequence components, and phase line power

4Test report:View saved test reports, each function menu provides8A pre-set test report. Users need to save the test report here after the test is completed8It can only be viewed in the preset test report. Please view the custom named test report in the 'File Services' menu

5Help Topic:Enter the online help system

6. Light and heavy loadF4：Switching between light load and heavy load, unable to switch during testing process

7. ExperimentF5：Start this test

8. ExitEsc：Exit the menu of this experiment

3、 Experimental principle and testing process

☆ In manual mode, the initial values of voltage, current, and frequency are output first, and then the experiment is controlled by the user. The following operations can be performed:

【↑↓ 】 keys, increase or decrease variable values

【←→】 key, switch between * variable, second variable, and third variable

【F1】Key, record or clear action values

【F3】Key, record or clear return value

【F2】Key, switch icon

【Esc】Key, exit experiment

☆ In automatic mode, first output the initial values of each parameter, and then gradually increase the step size to change the variable values, with the speed determined by the setting of "time per step"; If the protection action is taken, gradually decrease the step size to change the variable value until the protection returns, and the software will record its action value and return value. If the variable has been increased to a large or decreased to a small value during the period and the protection remains unchanged, the software will automatically exit the experiment.

After the test is completed, the device automatically enters the standard state with no voltage or current output. Users can save the test report according to the prompts.

§2.3 DC test

This menu allows manual or automatic testing of parameters such as the action value, return value, and action time of DC relays or time relays.

The main interface is divided into five areas:

Above are the title and main menu

On the top left is the parameter settings bar

The lower left is the experimental result display column

On the upper right is a diagram of DC voltage and current, displaying the current output of DC voltage and current

Here is the status bar: Help prompts during parameter input, status prompts during testing, and time display

1、 Key operation and shortcut key instructions

【↑↓←→】 key: move cursor

【Enter】Key: Select the current menu or enter the corresponding settings

【Esc】Key: Exit the settings menu, exit the test, or exit this test program

【F1】Key: Enter the online help system

【F2】Key: Save current parameter settings to file

【F3】Key: Read settings from parameter file

【F4】Key: Switch between light load and heavy load, cannot switch during testing.

【F5】【Star】Key: Start Test

2、 Menu and parameter description

1Parameter settings:

[Output Settings Property Page]:

DC voltage UDC:Initial value of DC voltage output, which is the current output value during the testing process

voltage stepThe magnitude of each change

Voltage final valueAutomatic mode is effective, with changing final values

Voltage zero drift:The DC voltage is set to0The actual output measurement value of time. If the output deviates significantly from the set value, set this parameter

DC current UDC:Initial value of DC current output, which is the current output value during the testing process

current step sizeThe magnitude of each change

Final value of currentAutomatic mode is effective, with changing final values

Current zero drift:The DC current is set to0The actual output measurement value of time. If the output deviates significantly from the set value, set this parameter

[Fault Setting Property Page]:

Variable selection:Simulated quantities that vary during the experimental process, such as DC voltage, DC current, or voltage current

Change mode:The method used in the experiment

☆ Automatic mode: During the testing process, the change process of the selected variable * is controlled by the program, according toEscKey abort test

☆ Manual mode: During the testing process, the change process of the selected variable is controlled by the user

Return methodEffective in automatic mode, during the testing process, the variable changes from the starting point to the ending point. Once the program confirms the relay action, it determines whether to continue the test based on the change mode

☆ Action stop: End the experiment

• Action return: Change the direction of variable change and return to the starting point

Each step time:In automatic mode, the time for each variable change should be set to be greater than the action (or return) time of the relay to ensure the correctness of the test

Timer *:manual modeEffective, when manually measuring time, users can usePgUp(orPgDn）At the same time, the variable is incremented (or decremented) by one step, and the timer is turned on. The waiting time for the action is "timer *". To ensure the correctness of the test, the setting of timer * should be greater than the action (or return) time of the relay

Shake time:When the shaking of the critical contact point is avoided and the holding time after the change in contact state is greater than the confirmation time, the program will recognize and record it. Usually taken10～20ms

2Parameter file:Save parameter files or read parameter files, each function menu provides3A parameter file is available for use.

3Auxiliary diagram:non-functional

4Test report:View saved test reports, each function menu provides8A pre-set test report. Users need to save the test report here after the test is completed8It can only be viewed in the preset test report. Please view the custom named test report in the 'File Services' menu

5Help Topic:Enter the online help system

6. Light and heavy loadF4：Switching between light load and heavy load, unable to switch during testing process

7. ExperimentF5：Start this test

8. ExitEsc：Exit the menu of this experiment

3、 Experimental principle and testing process

☆ When conducting manual testing, the initial values of voltage, current, and frequency are first output, and then the test is controlled by the user. The following operations can be performed:

【↑↓ 】 keys, increase or decrease variable values

【←→】 key, add or subtract one step, start timing at the same time, wait for a "timer *" to measure the action time

【Esc】Key, exit experiment

☆ When using automatic testing mode, the initial values of each parameter are first output,LY808 intelligent microcomputer relay protection calibratorGradually increase the step size to change the variable value, with the speed determined by the setting of 'time per step'; If the protection action is taken, gradually decrease the step size to change the variable value until the protection returns, and the software will record its action value and return value. If the variable has been increased to a large or decreased to a small value during the period and the protection remains unchanged, the software will automatically exit the experiment.

After the test is completed, the device automatically enters the standard state with no voltage or current output. Users can save the test report according to the prompts.

§2.4 Frequency and low cycle testing

This menu is mainly used to test the operating values, operating times, and slip characteristics of frequency relays, low cycle load shedding devices, etc.

The main interface is divided into five areas:

Above are the title and main menu

The upper left is the test project setting column

The lower left is the experimental result display column

On the upper right is the auxiliary vector icon bar

Here is the status bar: Help prompts during parameter input, status prompts during testing, and time display

1、 Key operation and shortcut key instructions

【↑↓←→】 key: move cursor

【Enter】Key: Select the current menu or enter the corresponding settings

【Esc】Key: Exit the settings menu, exit the test, or exit this test program

【F1】Key: Enter the online help system

【F2】Key: Save current parameter settings to file

【F3】Key: Read settings from parameter file

【F4】Key: Switch between light load and heavy load, cannot switch during testing.

【F5】【Star】Key: Start Test

2、 Menu and parameter description

1Parameter settings:

[Test Project Property Page]:Test project related parameters

Test project:Choose whether to undertake the following projects

☆ Action frequency: Test the action of protective devices or relays when the frequency changes

☆ Action time: Test action time

☆df/dtLocking: Testing the sliding locking characteristics

☆dv/dtLocking: Testing the sliding pressure locking characteristics

☆ Low voltage lockout: testing the characteristics of low voltage lockout

☆ Low current lockout: Testing the characteristics of low current lockout

Frequency conversion selection:Select the analog quantity to be frequency converted. provide3Options: Voltage and current frequency conversion, voltage frequency conversion, current frequency conversion

Frequency conversion methodChoose the frequency conversion method and provide2Options: Frequency Conversion, Continuous Frequency Conversion

Delay before changeSet to send before each change50HZNormal value time

fault timeSet the waiting time for protection action at each search frequency.

intermittent timeSet the time for zero state before the change starts

A. The amplitude and angle of three-phase voltage and three-phase current of B and C

[Action Value Property Page]:Parameters required for testing action values

Initial frequency value:Starting point of frequency variation in the experiment

Final frequency value:Frequency change endpoint

Change step size:The amplitude of the frequency of each search action

df/dt：The speed of frequency change should be setSet to a slip value that can be a protective action and a value smaller than the slip locking value of the low cycle load shedding device

[Action Time Property Page]:Parameters required for testing action time

Initial frequency value:Starting point of frequency variation in the experiment

Final frequency value:Frequency change endpoint

df/dt：The speed of frequency change should be setSet to a slip value that can be a protective action and a value smaller than the slip locking value of the low cycle load shedding device

Set timing frequency:Set the threshold frequency value for protection, and when the frequency changes to the threshold value, start the timer. The time for the contact to return to the protection action is the action time

[df/dt property page]:Testing and Testingdf/dtRequired parameters

Initial value of df/dt:Under testingdf/dtStarting point of change

Final value of df/dt:Under testingdf/dtChange change endpoint

Df/dt step size:Every searchdf/dtThe amplitude

Initial frequency value:Starting point of frequency variation in the experiment

Final frequency value:Frequency change endpoint

[dv/dt Property Page]:Testing and Testingdv/dtRequired parameters

Initial value of dv/dt:Under testingdv/dtStarting point of change

Dv/dt final value:Under testingdv/dtChange change endpoint

Dv/dt step size:Every searchdv/dtThe amplitude

Initial voltage value:Starting point of voltage variation in the experiment

Voltage final value:Voltage change endpoint

Initial frequency value:Starting point of frequency variation in the experiment

Final frequency value:Frequency change endpoint

df/dt：The speed of frequency change should be setSet to a slip value that can be a protective action and a value smaller than the slip locking value of the low cycle load shedding device

[Voltage lockout attribute page]:Testing and Testinglow voltage lockoutRequired parameters

Initial voltage value:Starting point of voltage variation in the experiment

Voltage final value:Voltage change endpoint

Voltage step size:Search for the amplitude of voltage in the experiment

Voltage phase:Search for voltage phase in the experiment

Initial frequency value:Starting point of frequency variation in the experiment

Final frequency value:Frequency change endpoint

df/dt：The speed of frequency change should be setSet to a slip value that can be a protective action and a value smaller than the slip locking value of the low cycle load shedding device

[Current lockout attribute page]:Testing and TestingLow current lockoutRequired parameters

Initial value of current:Starting point of voltage variation in the experiment

Final value of current:Voltage change endpoint

Current step size:Search for the amplitude of voltage in the experiment

Current phase:Search for voltage phase in the experiment

Initial frequency value:Starting point of frequency variation in the experiment

Final frequency value:Frequency change endpoint

df/dt：The speed of frequency change should be setSet to a slip value that can be a protective action and a value smaller than the slip locking value of the low cycle load shedding device

2Parameter file:Save parameter files or read parameter files, each function menu provides3A parameter file is available for use.

3Auxiliary diagram:non-functional

4Test report:View saved test reports, each function menu provides8A pre-set test report. Users need to save the test report here after the test is completed8It can only be viewed in the preset test report. Please view the custom named test report in the 'File Services' menu

5Help Topic:Enter the online help system

6. Light and heavy loadF4：Switching between light load and heavy load, unable to switch during testing process

7. ExperimentF5：Start this test

8. ExitEsc：Exit the menu of this experiment